Sep 20, 2006 #1 S STOIKOV Full Member level 4 Joined Nov 18, 2005 Messages 236 Helped 8 Reputation 16 Reaction score 2 Trophy points 1,298 Activity points 3,083 Could please help to deduce this step of factorization/reduction, thanks.
Sep 21, 2006 #2 S STOIKOV Full Member level 4 Joined Nov 18, 2005 Messages 236 Helped 8 Reputation 16 Reaction score 2 Trophy points 1,298 Activity points 3,083 well I got it, was just some factorization